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https://issues.apache.org/jira/browse/CHUKWA-5?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12707138#action_12707138
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Jerome Boulon commented on CHUKWA-5:
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I come back with my MD5, ..., if we're doing an MD5 of the command it should
be unique and that could be the name from our log4j Appender (automatically
done for you) and from the command line user are still free to put a more
descriptive name.
> AdaptorId should be persistent even after an agent restart
> ----------------------------------------------------------
>
> Key: CHUKWA-5
> URL: https://issues.apache.org/jira/browse/CHUKWA-5
> Project: Hadoop Chukwa
> Issue Type: Bug
> Components: data collection
> Reporter: Jerome Boulon
> Assignee: Cheng
>
> In case of agent restart, an adaptor may not get the same adaptorId.
> 1)The adaptorId is sent back to the remote application after the Add command.
> Now, let suppose the agent dies and restarts.
> Each new adaptor created from the checkpoint will now have another adaptorId
> .
> If the remote application tries to stop/shutdown only using the adaptorId
> received in step (1), the command may be sent to the wrong adaptor.
> if the adaptorId in for example an MD5 of the command line we don't need to
> save any additional information inside the checkpoint.
> This will change the current API from int to String.
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